import Crypto from 'crypto-js';

/**
 *
 * @param {string} str
 * @returns {Boolean}
 */
export function validUsername(str) {
  // for debug
  // test username field is legal
  return true;
}

export function isExternal(path) {
  return /^(https?:\/\/|mailto:|tel:|http:\/\/)/.test(path);
}

export function md5(preStr) {
  return Crypto.MD5(preStr).toString();
}
